NPIMap

Individual provider Active NPI

William Michael Munion, MD

  • Emergency Medicine Physician
  • Corpus Christi, TX
National Provider Identifier
1255829784
Registry record updated Jun 21, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
63049 Issued in AZ
Practice address
600 Elizabeth St
Corpus Christi, TX 78404-2235
Phone
(361) 861-1864
NPI assigned
Apr 30, 2018
Last updated
Jun 21, 2021By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 21, 2021

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X S4197 TX
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X 63049 AZ Primary

Addresses

Primary practice location

600 Elizabeth St
Corpus Christi, TX 78404-2235

Mailing address

245 N Power Rd
Mesa, AZ 85205-8413

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210625001506 AZ Practitioner - Emergency Medicine 9739501933 Reassigns benefits to 2 organizations
I20251128000734 CA Practitioner - Emergency Medicine 9739501933 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Arizona College of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Tec Emergency Physicians of Arizona, LLCGroup PAC ID 6204256084, 155 clinicians

Practice addresses (Care Compare)

400 N McDowell Blvd
Petaluma, CA 94954-2339
Phone (707) 935-5000

9130 E Elliot Rd
Mesa, AZ 85212-9675
Phone (888) 732-3317

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
63049AZMDEmergency Medicine Physician
S4197TXMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tec Emergency Physicians of Arizona, LLC CurrentSince Jun 13, 2023 Accepting new patients
Sonoma Valley Emergency Physicians Medical Group, Inc Emergency Medicine CurrentSince Oct 15, 2025 Accepting new patients
Emergency Physicians Southwest, PC Emergency Medicine CurrentSince Jul 1, 2021 Accepting new patients

Locations

7171 S 51st Ave
Laveen, AZ 85339
Phone (623) 584-5100

6644 E Baywood Ave
Mesa, AZ 85206
Phone (480) 321-2000

9130 E Elliot Rd
Mesa, AZ 85212
Phone (480) 410-4500

807 S Ponderosa St
Payson, AZ 85541
Phone (520) 474-3222

1419 W Hunt Hwy
San Tan Vly, AZ 85143
Phone (480) 245-4300

5125 S Rural Rd
Tempe, AZ 85282
Phone (480) 306-8780

1375 University St
Healdsburg, CA 95448
Phone (707) 385-2025

400 N McDowell Blvd
Petaluma, CA 94954
Phone (707) 778-1111

347 Andrieux St
Sonoma, CA 95476
Phone (707) 935-5000

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 22

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 22

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1525046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1624233600000",
    "number": "1255829784",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "245 N POWER RD",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852058413"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 ELIZABETH ST",
            "city": "CORPUS CHRISTI",
            "state": "TX",
            "postal_code": "784042235",
            "telephone_number": "361-861-1864"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUNION",
        "first_name": "WILLIAM",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-04-30",
        "last_updated": "2021-06-21",
        "certification_date": "2021-06-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "S4197",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "63049",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Corpus Christi, TX

Sources for this page

Verify at the official NPI Registry.